Sock



FIG. 1 is a right side view of a sock in an embodiment of the present invention.

FIG. 2 is a left side view of a sock in an embodiment of the present invention, the left side view being a mirror image of the right side view.

FIG. 3 is a top view of a sock in an embodiment of the present invention.

FIG. 4 is a bottom view of a sock in an embodiment of the present invention; and,

FIG. 5 is a perspective view of the left side of a sock in an embodiment of the present invention. 

I claim the ornamental design for a sock, as shown and described. 